| top(limit, edge, boundary) |
| torment(noun, trouble, worry, concern, distress) |
| tough break(expression, distress, plight, impoverishment) |
| tough luck(expression, distress, plight, impoverishment) |
| tribulation(noun, worry, concern, distress, anxiety) |
| tumult(noun, worry, concern, distress, anxiety) |
| ultimate limit(expression, limit, edge, boundary) |
| underdevelopment(distress, plight, impoverishment) |
| unholy mess(expression, distress, plight, impoverishment) |
| unrest(noun, worry, concern, distress, anxiety) |
| verge(limit, edge, boundary) |
| vertex(limit, edge, boundary) |
| vexation(noun, worry, distress, anxiety, care) |
| woe(noun, trouble, worry, concern, distress) |
| worry(noun, distress, anxiety, care, suffering) |
| zenith(limit, edge, boundary) |